(19)
(11) EP 3 058 160 A2

(12)

(88) Date of publication A3:
18.06.2015

(43) Date of publication:
24.08.2016 Bulletin 2016/34

(21) Application number: 14802167.8

(22) Date of filing: 16.10.2014
(51) International Patent Classification (IPC): 
E21B 7/12(2006.01)
(86) International application number:
PCT/IB2014/065379
(87) International publication number:
WO 2015/056218 (23.04.2015 Gazette 2015/16)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 17.10.2013 IT MI20131733

(71) Applicant: ENI S.p.A.
00144 Rome (IT)

(72) Inventors:
  • MOLASCHI, Claudio
    I-26013 Crema (CR) (IT)
  • MALIARDI, Alberto
    I-20097 San Donato Milanese (MI) (IT)
  • FERRARA, Paolo
    I-20158 Milano (IT)

(74) Representative: Bottero, Carlo et al
Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10
20121 Milano
20121 Milano (IT)

   


(54) PROCESS FOR CONSTRUCTING A WELL FOR EXPLOITING A RESERVOIR UNDER A SEA-BED OR OCEAN-BED